[PATCH 1/1] drm/sti: fix master bind bug for using component

[Xinwei Kong]

From: Xinwei Kong <kong.kongxin...@hisilicon.com>

This patch fix one bug which it can't call .bind function in
sti_hdmi.c and sti_hda.c file when changing the building sequence
(sti_hdmi.o，sti_hda.o) in Makefile file. This patch can prepare
it.

Signed-off-by: Xinwei Kong <kong.kongxinwei at hisilicon.com>
---
 drivers/gpu/drm/sti/sti_tvout.c | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/sti/sti_tvout.c b/drivers/gpu/drm/sti/sti_tvout.c
index 5cc5311..293dfae 100644
--- a/drivers/gpu/drm/sti/sti_tvout.c
+++ b/drivers/gpu/drm/sti/sti_tvout.c
@@ -683,7 +683,22 @@ static int compare_of(struct device *dev, void *data)

 static int sti_tvout_master_bind(struct device *dev)
 {
-       return 0;
+       struct sti_tvout *tvout = dev_get_drvdata(dev);
+       struct drm_device *drm_dev;
+       int ret;
+
+       if (!tvout->drm_dev) {
+               DRM_ERROR("master bind is fail\n");
+               return 0;
+       }
+
+       drm_dev = tvout->drm_dev;
+
+       ret = component_bind_all(dev, drm_dev);
+       if (ret)
+               sti_tvout_destroy_encoders(tvout);
+
+       return ret;
 }

 static void sti_tvout_master_unbind(struct device *dev)
-- 
1.9.1